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. 2018 Mar 14;97(4):1177–1188. doi: 10.3382/ps/pex404

Table 5.

Interaction of P, Ca, and phytase on concentrations of InsP isomers (μmol/g DM) in the digesta of the duodenum/jejunum of broiler chickens fed the experimental diets from d 15 to d 27.1

Dietary treatment2 P-value3
P−Ca− P−Ca+ P+Ca− P+Ca+ Pooled P Ca Phy P × Ca P × Phy Ca × P × Ca
Phy− Phy+ Phy− Phy+ Phy− Phy+ Phy− Phy+ SEM Phy × Phy
InsP6 13.5 5.0 17.1 7.4 17.8 7.0 25.1 10.0 0.74 *** *** *** ** * n.s.
Ins(1,2,4,5,6)P5 0.3d 0.3d 0.5c 0.4c,d 0.5c 0.3d 1.4a 0.7b 0.05 *** *** *** *** *** *** *
Ins(1,2,3,4,5)P5 0.6 0.9 0.8 0.9 0.8 0.9 1.1 1.6 0.11 ** ** * * n.s. n.s. n.s.
Ins(1,2,3,4,6)P5 0.2 n.d.4 0.3 n.d. 0.3 n.d. 0.4 n.d. 0.02 *** * . n.s. . . .
Ins(1,2,5,6)P4 n.d. 1.1 n.d. 1.1 n.d. 0.9 0.3 2.8 0.20 ** *** *** *** . . .
Ins(1,2,3,4)P4 0.4b 0.1c 0.8a 0.1c 0.6b 0.2c 0.5b 0.4b 0.07 n.s. * *** * n.s. **
InsP3x5 0.3c 0.3c 0.7b 0.3c 0.5b,c 0.5b,c 0.3c 1.8a 0.10 *** *** ** * *** ** ***

1Data are given as treatment means; n = 7 pens.

2Calculated composition: P-, 4.1 g P/kg DM; P+, 6.9 g P/kg DM; Ca-, 6.2 g Ca/kg DM: Ca+, 10.3 g Ca/kg DM; Phy-, 0 FTU/kg; Phy+, 1,500 FTU/kg as fed.

3 P-values are indicated as follows: n.s., P ≥ 0.10; †, P < 0.10; *, P < 0.05; **, P < 0.01; ***, P < 0.001.

4n.d., not detectable in the majority of samples.

5At least one of the following isomers: Ins(1,2,6)P3, Ins(1,4,5)P3, Ins(2,4,5)P3.

a–dMeans within a row not showing a common superscript differ (P < 0.05).